Keywords: Hillside Haven Mound.jpg 78002026 39 27 30 N 83 56 14 W Overview of the w Hillside Haven Mound located along a walking trail at Thousand Trails Campground in Adams Township Clinton County Ohio Adams Township Clinton County Ohio Clinton County Ohio United States Built by Adena culture Adenan peoples but reduced by erosion and excavation the mound is an important archaeological site and has been listed on the National Register of Historic Places own 2013-08-05 User Nyttend Nyttend No<nowiki></nowiki>ne Adams Township Clinton County Ohio Adena culture Deciduous forests Forest floors Forests in summer National Register of Historic Places in Clinton County Ohio Pre-Columbian architecture in Ohio Protected forests Scenery pictures by User Nyttend |